420980978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{2029}}^1\times {\mathrm{9431}}^1$

素因数の和:11473

約数の個数: 16

約数和(自身を含む): 689290560

約数和(自身を除く): 268309582

約数列:

[1, 2, 11, 22, 2029, 4058, 9431, 18862, 22319, 44638, 103741, 207482, 19135499, 38270998, 210490489, 420980978]

約数ペア:

[(1, 420980978), (2, 210490489), (11, 38270998), (22, 19135499), (2029, 207482), (4058, 103741), (9431, 44638), (18862, 22319)]